316 INSECUTOR INSCITI^ MENSTRUUS 



on inner margin ; antemedial an incurved black line from mid- 

 dle of cell to submedian fold, then outcurved, broadly edged 

 outwardly by a purple gray shade which projects on vein 2, 

 again above fold and on vein 1, and is closely followed by some 

 small points forming part of the otherwise obsolete medial 

 line; postmedial consisting of a reversed query mark between 

 veins 6 and 4, and points on veins 3 and 2 ; subterminal repre- 

 sented by an irregular spot between veins 6 and 4, a fine inbent 

 line from below vein 3 to vein 2, then broader and wavy to 

 inner margin; terminal purplish spots on veins and cilia. 

 Hind wings whitish gray with dark terminal spots on veins 

 and cilia. Fore wings below light smoky gray, the costa and 

 termen broadly whitish green, the costal and terminal spots as 

 above, also the postmedial and subterminal spots between veins 

 6 and 4. Hind wings below white irrorated with dark gray; 

 a dark point at upper angle of cell ; a fine dentate postmedial 

 and subterminal line ; no terminal spots. 



Expanse, 27 mm. 



Habitat.— Guatemala City. 



Type.— Cat. No. 35640, U. S. Nat. Mus. 



Hydriomena aztecaria, new species. 



Male. — Palpi silvery steel. Head, collar, and thorax mottled 

 pale green, white, and black. Abdomen whitish buff, suffused 

 dorsally with fuscous gray, leaving white segmental lines. 

 Fore wings light green, the lines black, the broader lines whit- 

 ish gray thickly striated and irrorated with black, also edged 

 with black ; a thick basal line from costa to submedian ; sub- 

 basal line outbent on costa, angled in cell and almost vertical 

 to inner margin ; antemedial broad, wavy ; medial line fine, 

 suffusing with antemedial in cell, and again below cell ; post- 

 medial fine, wavy, suffusing with a black spot on discocellular, 

 then inbent and suffusing with medial at vein 3, diverging at 

 fold, but connected with medial by some white scales on sub- 

 median ; subterminal broad, obsolescent between veins 4 and 3 ; 

 a black spot at apex ; small black, trigonate, terminal spots 

 partly united; cilia white divided by a gray line and with black 



